Morse Learner is a portable and handy software for learning both the receiving and sending of morse code (chraracters made of DAHs and DITs).
In the beginning it starts with small set of characters. And there are options to change the speed etc.
Receiving mode
Sending mode
In this tool, it is also possible to use a real morse key. In the picture below, the USB-RS232 cable is used. In the serial connector DB9, pins 7 and 8 are connected to the morse key. (The morse key is a simple 15 € key.)
Links